The following code example is taken from the book
C++ Templates - The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, and Douglas Gregor,
Addison-Wesley, 2017
© Copyright David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor 2017
// basis case
Tuple<> reverse(Tuple<> const& t)
{
return t;
}
// recursive case
template<typename Head, typename... Tail>
Reverse<Tuple<Head, Tail...>> reverse(Tuple<Head, Tail...> const& t)
{
return pushBack(reverse(t.getTail()), t.getHead());
}